Bala, Is your table being monitored? Alter table {table_name} monitoring Tom ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Bala Sent: Wednesday, June 06, 2007 2:25 PM To: rjamya@xxxxxxxxx Cc: post.ethan@xxxxxxxxx; oracle-l Subject: Re: Trigger SMON to dump table statistics to ALL_TAB_MODIFICATIONS If we insert/delete/update/truncate a table and than do step 1) exec dbms_stats.flush_database_monitoring_info step 2) select * from all_tab_modifications zero rows returned ? since we are "flushing" the monitoring info ? Thanks in advance bala -